Relapsing-remitting multiple sclerosis is an inflammatory demyelinating disease of the CNS that is presumed to have an autoimmune cause.

复发缓和多发性硬化是一种炎性中枢系统脱髓鞘疾病，推测由自身免疫引起。

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Helping others with relapsing-remitting multiple sclerosis has been close to my heart for some time.

CNN: Country star Clay Walker on living with MS

Relapsing-remitting multiple sclerosis can be tricky to manage because it affects everyone differently.

CNN: Country star Clay Walker on living with MS

I'm proud to help lead the "Stick With It" campaign to educate patients with relapsing-remitting multiple sclerosis about the importance of sticking with a routine for the long haul.

CNN: Country star Clay Walker on living with MS